package com.itheima;

import java.util.Iterator;
import java.util.LinkedHashSet;

public class LinkedHashSetDemo {
    public static void main(String[]args){
        LinkedHashSet<String>set = new LinkedHashSet<>();

        set.add("zhangsan");
        set.add("lisi");
        set.add("wangwu");
        set.add("zhaoliu");

        Iterator<String>iterator = set.iterator();

    }
}
